Motorola's Moto G is now available to buy in U.S from today starting at $179 for 16GB model and $199 for 32GB model.
You can buy the handset either for U.S carriers or you can buy the international GSM version. If you place an order today, your device will be shipped to you by December 2nd. Only black version is available to buy till now but more colors and flip covers are coming soon.

Buy: Motorola